6805231 has 4 divisors (see below), whose sum is σ = 6834672. Its totient is φ = 6775792.

The previous prime is 6805181. The next prime is 6805243. The reversal of 6805231 is 1325086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6805231 - 2¹⁵ = 6772463 is a prime.

It is a super-2 number, since 2×6805231² = 92622337926722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6805196 and 6805205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6800231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14371 + ... + 14836.

It is an arithmetic number, because the mean of its divisors is an integer number (1708668).

Almost surely, 2^6805231 is an apocalyptic number.

6805231 is a deficient number, since it is larger than the sum of its proper divisors (29441).

6805231 is a wasteful number, since it uses less digits than its factorization.

6805231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29440.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 6805231 is about 2608.6837677266. The cubic root of 6805231 is about 189.5022149870.

It can be divided in two parts, 6 and 805231, that multiplied together give a triangular number (4831386 = T₃₁₀₈).

The spelling of 6805231 in words is "six million, eight hundred five thousand, two hundred thirty-one".